Rice is a kosher ingredient. Bugs, however, are not, so it’s important to perform a cursory inspection to make sure that your rice is not infested. The cRc further advises that rice with added ingredients, as well as all canned, cooked, quick, and instant rice requires a reliable rabbinic supervision.

Regarding Passover use, please see: Is Rice Kosher for Passover?

On the subject of rice, it is important to note that there is significant debate regarding the proper blessing to be said before eating rice, which you can read more about here.