How could I obtain a copy of my soon-to-be-spouse visa without knowing the passport number?

You could ask your soon-to-be-spouse.

My wife entered as k1 fiancé visa we got married in the circuit court can we apply for social security or I can do after applyin

Now that you are married file the I-485 with USCIS along with an I-765 to get a work permit. Once the work permit is received then she can get a...

You should talk this over with a tax attorney. If these are donations it is not a violation of your visa.

Form I-539. Change of status from H1 to J1, filled 3 months ago, no RFE's yet. Expected time for processing.

Change of status to the J category is taking about 12 months at the Vermont Service Center.

Do I face any problems when I re enter USA? can they send me back from the airport even if I have advanced Parol and EAD CARD?

You can use the advance parole to travel. However if you are really worried then just wait until your residency is approved then travel.

What is the processing time for change of status from f1 to f2?

This means your case is in the process of being decided. There is no set time in which this must be done.

Should I file for a reentry form for the baby and how much,should the baby require a reentry form because its a vacation for les

Your child will need a re-entry permit when he returns to the US if he stays out for a year or more.

Asylym, Travel document

You will need to apply for the refugee travel document. Use form I-131.

Extending H4 EAD after changing to new employer

You should talk with the company attorney in the company that is employing you to file the H-4 for your wife.

I want to know what other way i have to extend my stay in United States?

Find another employer willing to sponsor you.