Which of the following are examples of single replacement reactions? Select all that apply.

Group of answer choices

Ca(OH)
+
HCl

CaCl
+
H
O

Mg
+ Zn(NO
)

Mg(NO
)
+ Zn

Na
S
+ Cd(NO
)

CdS
+
NaNO

K
+
HCl


KCl (aq) + H

The single replacement reactions from the given options are:

Ca(OH)2 + HCl -> CaCl2 + H2O
Mg + Zn(NO3)2 -> Mg(NO3)2 + Zn
Na2S + Cd(NO3)2 -> CdS + 2NaNO3
K + HCl -> KCl + H2O