long _id = todo.getID(); //

checkBoxFavorite.setTag(_id);
checkBoxFavorite.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
    public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
        if (isChecked)
    {
        //Update database row
        }
        else if (!isChecked)
        {
        //Update database row
        }
    }
});