Which reaction will take place at cathode when fused calcium chloride is electrolysed ?

Question

$\begin{array}{1 1} Ca^{2+}+2e^{-} \to Ca \\ Cl^{-} \to Cl +e^{-} \\ Ca^{2+}-2e^{-} \to Ca \\ Cl^{-} -e^{-}\to Cl \end{array} $