Please Please help. Will give 10 points?

100.0 mL of 2.00 M HBr is mixed with 100.0 mL of 2.00 M KOH in a coffee-cup calorimeter. The temperature of the solution increases from 20.0 C as a result of the reaction. ume that the calorimeter loses a negligible amount of heat, that the total volume of the final solution is 200.0 mL, the density of the solution is 1.00 g/mL, and that the specific heat of the solution is 4.18 J/g-K