The Six of Pentacles is the card of exchange, of giving/receiving. It's also a card of harmony and balance, so it often appears after times of strife. The Two of Cups often predicts a happy meeting between friends or lovers. In this card, opposites come together in a harmonious union. The Six of Pentacles and the Two of Cups usually foretell a balanced interaction.
The elements of the cards are Earth (Six of Pentacles) and Water (Two of Cups). The elements blend well together and if we have no negative aspects form other cards of the spread, we should expect a positive, mutually beneficial outcome.