I am a green card holder,can I put in my citizenship and my mothers paper work at the same time ?

No, you first have to become a US citizen since a green card holder cannot petition for a parent.

The priority date for F2B for Jan. 2017 is July 8, 2010. This means that your priority date is NOT YET current since it is December 30, 2010....

What happens if I get divorce

The divorce will not change anything with respect to your children.

Emigration ( EB2 ) or ( EB3 )

Please do your best to rephrase your question. It is very difficult to understand.

If your I-360 is based on abuse by a US citizen spouse, then two years is certainly a long time for it to remain pending. You should have received...

Immigration question

Since you are married to a US citizen, you can file your papers even after the expiration of your I-94. Doing so will have no negative consequences...

Applying for I 131

It's better to file them together with the appropriate fee ($1,070).

I want to apply for advance parole as a DACA recipient. What proof of reasoning do I need?

There are travel restrictions for DACA recipients. You must show that your proposed travel is for humanitarian, educational, or employment...

Will need working permit / visa or just visitor visa is okay?

Check with a Belgian embassy near you or contact an Immigration lawyer in Belgium as to what kind of visa you would need for the two week training...

Visitor visa overstay after married with GC holder

If your wife is going to apply to become a US citizen, then you need not worry about overstaying. Once she becomes a US citizen, you become her...