If we denote the empty string by $\epsilon$, then by definition $\epsilon\in A^*$ for any language $A$. Consequently, $\epsilon\notin\overline{(L^*)}$ and $\epsilon\in\left(\overline{L}\right)^*$ so the left and right sides of your equation can never be equal.
If we denote the empty string by $\epsilon$, then by definition $\epsilon\in A^*$ for any language $A$. Consequently, $\epsilon\notin\overline{(L^*)}$ and $\epsilon\in\left(\overline{L}\right)^*$ so the left and right sides of your equation can never be equal.