\begin{tabular}{|c|c|c|c|}
\hline solution A & solution B & \begin{tabular}{c}
Does a \\
precipitate form \\
when A and B \\
are mixed?
\end{tabular} & \begin{tabular}{c}
empirical \\
formula of \\
precipitate
\end{tabular} \\
\hline nickel(II) sulfate & manganese(II) bromide & yes \( \bigcirc \) no & \( \square \) \\
\hline sodium sulfide & iron(II) bromide & \( \bigcirc \) yes \( \bigcirc \) no & \( \square \) \\
\hline lead(II) nitrate & potassium bromide & \( \bigcirc \) yes \( \bigcirc \) no & \( \square \) \\
\hline
\end{tabular}