Answer
Calcium Sulfate:
CaS
Calcium Hydrogen Sulfate:
Ca$H_{2}$S
Work Step by Step
In calcium sulfate, the calcium ion has a +2 charge and the sulfur ion has a -2 charge
In the calcium hydrogen sulfate ion, the calcium ion has a +2 charge, both hydrgens have a +1 charge, and the Sulfur ion has a -4 charge.