Well this games looks like a really awkward match-up for Juve's 3-5-2 against wingers.
Always the same issue of finding the balance between playing a back five, and having not width up the pitch, and playing a back three and risking three-on-three counter attacks.
Give how weak Napoli's full backs look, I think I'd be sorely tempted to get dragged into playing the sort of attacking 4-3-3 that a lot of people here would like to see and commit to an open, attacking game where the match is reduced to a bunch of one-on-one battles all over the pitch and Juve back themselves to win enough of those battles to win the game.