Which of the following reactions of aqueous ionic compounds will form a precipitate when their solutions are combined A CaCl2 (aq) + Mg(NO3)2 (aq) --> Ca(NO3)2 (+) + MgCl2 (?)
B. OKCI
(aq)
--> KNO3(?) + AgCl()
C. NaCl
(aq) + KNO3(aq) --> NaNO3 (>) + KCI)
+ AgNO3(aq)
D
NH, Br
(aq)
+ KCI (aq) --> NH4Cl () + KBr (>)