How to predict products of Electrolysis ? 

Question

$\begin{array}{1 1} \text{(a) The cation is oxidised at the cathode , The anion is reduced at the anode} \\ \text{(b) The cation is reduced at the cathode , The anion is oxidized at the anode }\\ \text{(c) The Anion is reduced at the cathode , The cation is oxidized at the anode} \\\text{(d) None of the above}\end{array}$