I think you mean a 1099-S, which is for most routine home sales. A 1099-C would be for a forgiven debt, like a short sale where the bank forgives the balance of the mortgage, and is more complicated.
Yes, if your divorce is final by December 31, 2024, so that you file single separately, each of you would report half the purchase price, half the selling price, half the gain, and you would both be covered by the exclusion. Because you will get a 1099-S, you do need to include the sale on your tax return, but no capital gains tax will be owed.
