# Why is calcium fluoride insoluble in water?

Why is calcium fluoride insoluble in water? $\ce{NaCl}$ is soluble, but $\ce{CaF2}$ is not. Why is this?

• Please have a look at the recent topics of solubility and judge and link the answers that concern also this question. May 23, 2012 at 14:45
• Without specifying the solvent, the meaning is unclear. I guess you meant soluble in water, but please write that out specifically. Mar 15, 2018 at 11:04