Hello jriveros,
Thanks for asking your first question on the Chemical Forums!
The good news is that you asked a great question! Unfortunately, the answer is difficult. I cannot tell you the characteristics of Calcium Sulphate Pentahydrate and Calcium Carbonate because there are too many iterations. Even in the pure form with only these two chemicals, and varying the pH, temperature, and pressure would require expensive equipment and many hours of testing. Usually, most tests are performed in the laboratory and the reaction rates measured along with the reaction products.
Best wishes,
Eugene