Your individual ways of thinking will irritate each other. Your friend tends to be a little more intellectually daring than you are, more comfortable with abstract or unorthodox ideas, taking leaps of faith and changing their mind as many times as necessary, which will annoy you. You prefer to take more standard paths toward solving problems.
But that more traditional point of view will feel limiting to your friend. They operate at an intuitive level, while you rely more on logic. Arguments will erupt, you'll each take your standard position, and it will be hard to find a resolution. Worse yet, your pal, with their more creative point of view, could end up treating you as if you're stodgy and unimaginative, which will be hurtful because it isn't true. Working together will be really difficult because of these differences between you, especially for you; you'll probably find this person's erratic energy to be too much to handle.