$\begin{array}{1 1} Thermal\; stability - LiNO_3 < NaNO_3 < KNO_3 \\ Solubility-LiNO_3 < NaNO_3 < KNO_3 \\ Thermal\; stability - Be(OH)_2 < Ca(OH)_2 < Sr(OH)_2 \\ Solubility - Be(OH)_2 < Ca(OH)_2 < Sr(OH)_2 \end{array} $