The $7000 will be included in your income for the year. If you file married separate, a lot will depend on how your spouse files (For example, if he itemizes his deductions, you also have to itemize, even if you don't have any deductions; you won't be able to take the standard deduction). Also if you have any qualifying children for the child tax credit will increase your refund.

If you are under age 59 1/2, the $7000 will also be subject to a 10% early withdrawl penalty.

I would guess if $1400 was withheld, you might expect to get back $600-900. It might be more or it might be less. That is a very rough estimate based on all the other circumstances.

If your husband doesn't itemize, you will owe just the $700 penalty. The withholding was $1400, so you could get $700 back. (This is unusual!)