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Exactly 1.0 L of 0.001 M BaCl2 are mixed with exactly 1.0 L of 0.001 M...

Exactly 1.0 L of 0.001 M BaCl2 are mixed with exactly 1.0 L of 0.001 M K2SO4.  Will precipitate form?  (Ksp for BaSO4 is 1.1x10-10.)  

Yes, BaSO4 will precipitate.

No, BaSO4 will not precipitate.

Yes, KCl will precipitate.

Yes, BaCl2 will precipitate.
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