Corban E. answered 04/22/21
AP Chemistry Tutor and Former Teacher (Gen Chem, IB, O-Level, A-Level)
You're going to need a solubility chart. Find the line that represents CaCl2, and go to 10 degrees celsius. Go up to 64 grams on the Y-axis.
If you're above the line, that's supersaturated.
On the line is saturated.
Below the line is unsaturated.