Chapter 16 - Electric Potential, Energy, and Capacitance - Learning Path Questions and Exercises - Conceptual Questions - Page 591: 21

For two capacitors in series, $V_{1}=Q/C_{1}$ and $V_{2}=Q/C_{2}$. If $V_{1}=V_{2}$ then $C_{1}=C_{2}$. In a parallel connection, $V_{1}=V_{2}$ regardless of the values of $C_{1}$ and $C_{2}$.

For two capacitors in series, $V_{1}=Q/C_{1}$ and $V_{2}=Q/C_{2}$. If $V_{1}=V_{2}$ then $C_{1}=C_{2}$. In a parallel connection, $V_{1}=V_{2}$ regardless of the values of $C_{1}$ and $C_{2}$.