I₂⁰ + Cl₂⁰ + 2 H₂O → 2 HI^IO + 2 HCl^-I

This is an oxidation-reduction (redox) reaction:

2 I⁰ - 2 e^- → 2 I^I (oxidation)

2 Cl⁰ + 2 e^- → 2 Cl^-I (reduction)

Change the oxidation states

Search by reactants (I₂, Cl₂, H₂O)

1.	I2 + Cl2 + H2O → HIO3 + HCl
2.	I2 + Cl2 + H2O → HIO + HCl
3.	I2 + Cl2 + H2O → HIO3O3 + HCl
4.	I2 + Cl2 + H2O → Cl- + H+ + IO3-
5.	I2 + Cl2 + H2O → HClO3IO3 + HCl
6.	I2 + Cl2 + H2O → H5IO6 + HCl
7.	Na2SO4 + I2 + Cl2 + H2O → NaIO3 + NaCl + H2SO4
8.	I2 + Cl2 + H2O → HClO3 + HI
9.	I2 + Cl2 + H2O → IO32- + Cl- + H+

Search by products (HIO, HCl)

1.	I2 + Cl2 + H2O → HIO + HCl
2.	ICl + H2O → HIO + HCl

Search by reactants (I₂, Cl₂, H₂O) and by products (HIO, HCl)

1.	I2 + Cl2 + H2O → HIO + HCl