Table 4.1 KI
KOH
Na,,
Na, so
Ca(NO3),
NR
Faint white
prec.*
White prec.
NR
Cu(NO )2
Brown prec.
Blue prec.
Blue prec.
NR
Ni (NOR),
NR
Light blue-green Very faint blue
prec.
prec.
NR
Zn (NO)
NR
NR
Milky white
prec.
Faint white
prec.
"Note: These reactions are very slow, so it is possible you did not see a change in the time given.
1. Write a balanced chemical equation for each double replacement reaction that occurs.
Note: Compounds with Na, K, and/or NO-are soluble.