A 20.0g piece of iron and a 20.0g piece of gold at 100 degrees Celcius were dropped into 1.0 liters of water?

at 20.0 degrees Celsius. The molar heat capacities of iron and gold are 25.19J/mol-C and gold 25.41 J/mol-C. What is the final temp of the water and the metals? Please help me this is due in an hour