Is my pokemon team good enough for cave city gym?

Trust me, It's nice enough. Your big bet for the Gym Battles would be Rapidash (against Steel Types), Empoleon (against half Rock or Ground Types), and Togekiss because of its Aura Sphere move which is very convenient and effective againts Rock and Steel. You dont need really need to use Espeon for now but still it can beat other weak Rock and Steel Type Pokemons due to the fact Espeon's Sp. Attack is high and some Rock and Steel Type Pokemon are not much focused on Sp. Def so it can still be useful.