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# Solubility Rules and Precipitation Reaction

CHEM-PWWWUJ

Which of the following pairs of aqueous solutions can be mixed to produce a precipitate which is pure after filtration, thorough washing and drying?

A

$Ba(OH{ ) }_{ 2 }$ and $MgS{ O }_{ 4 }$

B

$Ba(N{ O }_{ 3 }{ ) }_{ 2 }$ and $NaCl$

C

$AgN{ O }_{ 3 }$ and $NaCl$

D

$Ca(C{ H }_{ 3 }{ COO) }_{ 2 }$ and $CsBr$