Answer
The solubility of $CaF_2$ will be affected more; $F^-$ ions are derived from the weak acid, $HF$ that's why the equilibrium of hydrolysis is affected by an acid or base addition.
Work Step by Step
The solubility of $CaF_2$ will be affected more; $F^-$ ions are derived from the weak acid, $HF$ that's why the equilibrium of hydrolysis is affected by an acid or base addition.